IP Library › Granted Patent US 6,725,919
Granted Patent Utility
US 6,725,919 · Confirmation No. 9737

FORMING A WELLBORE CASING WHILE SIMULTANEOUSLY DRILLING A WELLBORE

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2011-03-01 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2006-06-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-19 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
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2003-04-23 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2002-01-24 TRNA Transmittal of New Application 3 View
2002-01-24 DRW Drawings-only black and white line drawings 51 View
2001-09-25 TRNA Transmittal of New Application 2 View
2001-09-25 ADS Application Data Sheet 4 View
2001-09-25 A.PE Preliminary Amendment 11 View
2001-09-25 SPEC Specification 260 View
2001-09-25 CLM Claims 10 View
2001-09-25 ABST Abstract 1 View
2001-09-25 DRW Drawings-only black and white line drawings 51 View
2001-09-25 OATH Oath or Declaration filed 8 View
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Quick Facts
Patent No.
US 6,725,919
App. No.
09/962,467
Filed
2001-09-25
Granted
2004-04-27
Pub. No.
US20020060068A1
Art Unit
3672
PTA
-33 days